San Rafael fire officials issue 'red flag' warning

The San Rafael Fire Department declared an extreme fire danger "red flag" warning through Wednesday as the temperatures rose to 88 degrees Monday.

Residents are asked to report any sign of smoke immediately and to use extreme caution when operating any machinery or equipment in grass or brush. Any mowing or weed-cutting should be done before 10 a.m. or after 6 p.m. Spark arrestors are required in wildland areas. Residents should make sure they have 100 feet of defensible space around structures.

The National Weather Service reports temperatures in Marin will remain in the 80s the entire week.